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Code Issues Releases Wiki Activity

Improved Authentic CSME

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This commit is contained in:
Ylian Saint-Hilaire
2020-08-15 00:32:21 -07:00
parent e1c03184c4
commit 68308a1992
3 changed files with 95 additions and 8 deletions
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29
amt-certificates-0.0.1.js
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@@ -179,3 +179,32 @@ function _arrayBufferToString(buffer) {
for (var i = 0; i < len; i++) { binary += String.fromCharCode(bytes[i]); }
return binary;
}
function certCetAsn1Values(node, list) {
if ((typeof node === 'string') && (node.indexOf('https://') == 0)) { list.push(node); return; }
if (Array.isArray(node)) { for (var i in node) { certCetAsn1Values(node[i], list); } return; }
if (node && typeof node === 'object') { certCetAsn1Values(node.value, list) }
}
function getExtensionUrls(cert, val) {
var list = [], ext = cert.getExtension(val);
if (ext != null) { certCetAsn1Values(forge.asn1.fromDer(ext.value), list); }
return list;
}
var certUrlCache = null;
var certUrlCacheFile = null;
function getCertUrl(url, func) {
if (certUrlCacheFile == null) { if (process.env.LOCALAPPDATA != null) { certUrlCacheFile = require('path').join(process.env.LOCALAPPDATA, 'mccache.json'); } else { certUrlCacheFile = 'mccache.json'; } }
if (certUrlCache == null) { try { certUrlCache = JSON.parse(require('fs').readFileSync(certUrlCacheFile)); } catch (ex) { certUrlCache = {}; } }
if ((certUrlCache[url] != null) && (certUrlCache[url].data != null)) { var timeout = 0; if (url.endsWith('.crl')) { timeout = Date.now() - (14 * 86400000); } if (certUrlCache[url].time > timeout) { func(url, atob(certUrlCache[url].data)); return; } }
console.log('Loading: ' + url);
var u = require('url').parse(url);
var req = require('https').get({ hostname: u.hostname, port: u.port?u.port:443, path: u.path, method: 'GET', rejectUnauthorized: false
}, function (resp) {
var data = '';
resp.on('data', function (chunk) { if (data != null) { data += chunk.toString('binary'); } if (data.length > 500000) { data = null; } });
resp.on('end', function () { certUrlCache[url] = { data: btoa(data), time: Date.now() }; try { require('fs').writeFileSync(certUrlCacheFile, JSON.stringify(certUrlCache, null, 2)); } catch (ex) { } func(url, data); });
});
req.on('error', function (err) { console.log('Error: ' + err.message); func(url, null); });
}